Users Guide

Table Of Contents
Table 25. RAID Level Performance Comparison (continued)
RAID Level Data
Availability
Read
Performance
Write
Performance
Rebuild
Performance
Minimum Disks
Required
Suggested
Uses
RAID 50 Good Very Good Fair Fair N + 2 (N = at
least 4)
Medium sized
transactional or
data intensive
uses.
RAID 6 Excellent Sequential
reads: good.
Transactional
reads: Very
good
Fair, unless
using writeback
cache
Poor N + 2 (N = at
least two disks)
Critical
information.
Databases and
other read
intensive
transactional
uses.
RAID 60 Excellent Very Good Fair Poor X x (N + 2) (N =
at least 2)
Critical
information.
Medium sized
transactional or
data intensive
uses.
N = Number of physical disks
X = Number of RAID sets
Supported Controllers
Supported RAID Controllers
The iDRAC interfaces support the following PERC9 controllers:
PERC H830
PERC H730P
PERC H730
PERC H330
The iDRAC interfaces support the following PERC8 controllers:
PERC H810
PERC H710P
PERC H710
PERC H310
Supported Non-RAID Controllers
The iDRAC interfaces supports 12Gbps SAS HBA External Adapter.
NOTE:
iDRAC does not support software RAID. For information about software RAID, see Lifecycle Controller GUI User’s
Guide available at dell.com/support/manuals.
Supported Enclosures
iDRAC supports MD1400 and MD1420 enclosures.
Managing Storage Devices
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